• The 4G LTE Network Extender is like a personal mini cell tower for your home or office*. This sleek, compact device enhances your existing 4G LTE coverage at no additional monthly cost. (Please note that it does not support legacy 1X voice or 3G EVDO data services). Up to seven users can simultaneously have access to 4G LTE data and HD Voice. Simple to install and easy to use; the intuitive LCD display assists in set-up and operation.